Graphene Institute

Graphene nanofluids

We produce graphene nanofluids (pure graphene, oxidized and reduced graphene) of various compositions with special stabilizing and optical additives, as well as graphene inks of various concentrations (see table 5)

Table 5

ParametersGraphene – waterGraphene – spiritGraphene – PDMSGraphene ink
(aquatic and non-aquatic)
Comments
Graphene purity> 94%> 94%> 91%> 91%Batch control
Defects densityLowLowLowLowPrimary control
Numeric of layers3 – 73 – 94 – 94 – 9Batch control
Content of Sp2> 82%> 82%Batch control
Thickness of graphene flakes (plates)2-3 nm2-3 nm3-4 nm3-4 nm
Lateral sizeto 50 μmto 30 μmto 30 μmto 30 μm
Electrical conductivity(1,5-1,9)*104 Ohm/m
Thermal conductivity400-600 W/m·К
Optical transparency, %939392Nontransparent
True density1,4–1,5 g/cm31,23–1,28 g/cm31,4–1,5 g/cm3Bulk density
Content of hybridized carbon0,2-5%0,2-5%0,2-5%0,5-5%Primary control
ColorTransparentTransparentTransparentNontransparent